A method to estimate the expectation of exponential random variable which only has imperfection samples is presented based on Bayesian statistics decision theory.

• 基于统计决策理论 ,给出一种借助先验分布求解一类只有不完全样本的指数型变量均值的Bayes递进修正估计方法 ,并证明了该方法是最佳的。